10月21日，市民在新華社媒體融合生產技術與系統國家重點實驗室的航天科普項目中沉浸式體驗航天元宇宙。當日，第十一屆中國（蕪湖）科普產品博覽交易會在安徽省蕪湖市舉行。[新華社記者 杜宇 攝]

Visitors try an immersive environment of astronautic metaverse, a popular science program presented by Xinhua News Agency, during the 11th China (Wuhu) Popularized Science Products Exposition in Wuhu, east China's Anhui Province, Oct. 21, 2023. The expo kicked off here on Saturday. (Xinhua/Du Yu)

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